起垄栽培对不同基因型冬小麦生理特性及子粒蛋白质含量的影响.pdf

华北农学报·2005, 20 (3):70-73 起垄栽培对不同基因型冬小麦生理特性 及子粒蛋白质含量的影响 1, 2 1 3 1 孙向辉 ,邵运辉,任中信 ,郑　飞 (1.河南省农业科学院小麦研究所, 河南郑州　450002;2.河南农业大学农学院, 河南 郑州　450002; 3.河南省新乡县翟坡镇农技站, 河南新乡　453700) 　　摘要:以3 个不同基因型冬小麦品种为材料, 研究了起垄栽培对冬小麦生理特性及子粒蛋白质含量的影响, 结果 表明, 起垄栽培可以提高灌浆初期小麦旗叶及子粒中游离氨基酸含量, 提高灌浆后期旗叶硝酸还原酶活性和子粒蛋 白质含量, 但不同基因型品种之间存在差异。起垄栽培可以显著提高藁麦8901和郑麦 975 子粒蛋白质含量, 而对弱 筋品种豫麦50 号影响不显著。 关键词:起垄栽培;冬小麦;生理特性;子粒蛋白质含量 中图分类号:S512.101　　文献标识码:A　　文章编号:1000-7091(2005)03-0070-04 Effects of Bed-planting on Physiological Characters and Grain Protein Content in Different Genotypes of Winter Wheat 1, 2 1 3 1 SUN Xiang-hui ,SHAO Yun-hui, REN Zhong-xin,ZHENG Fei (1.heat Institute of Henan Academy of Agricultural Sciences,Zhengzhou　450002,China; 2.Agronomy College,Henan Agriculture University,Zhengzhou　450002,China; 3.The AgriculturalTechnology Stationof Zhaipo Town of Xinxiang,Xinxiang　453700,China) Abstract:Thisstudy, focus on the changesof physiological charactersand grain protein content of different genotypesof winter wheat under the bed-planting (BP)system.Compared with the conventionalflat planting (CFP)system, the bed-planting system increased the content of free amino acid in flag leaf and grains at early grainfilling period, improved the NR activity in flag leaf during later grain filling period, and increased the grainprotein content of some kind of wheat.Distinct differences were found among the three different geno- types,the grain proteincontent of Gaomai 8901(High gluten wheat)andZhengmai975(Medium gluten)can be increased significantly, but not to theweak glutencultivaryumai50, thismight be related to the different changes of the conte